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Finding the Third Proportional to 47,492 and 102,130

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Solution

The third proportional to 47,492 and 102,130 is: 219,627.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,492 : 102,130 = 102,130 : x
  2. Step 2: Convert to fraction form
    47,492/102,130 = 102,130/x
  3. Step 3: Cross multiply
    47,492x = 102,130 × 102,130
  4. Step 4: Simplify right side
    47,492x = 10,430,536,900
  5. Step 5: Solve for x
    x = 10,430,536,900/47,492
  6. Step 6: Final answer
    x = 219,627.24

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.